电源按键mcu

NX或者Nano电源按键MCU(EFM8SB10F2G)的固件下载链接是?如何烧录这颗MCU或者是否有已经烧录的MCU可以批量购买?

It is in DLC as below.
NVIDIA Jetson AGX Orin, Jetson AGX Xavier, and Jetson Xavier NX Power Button Supervisor Firmware